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WO2016161548A1 - Procédé et appareil permettant de désactiver une cellule secondaire, et système de communication - Google Patents

Procédé et appareil permettant de désactiver une cellule secondaire, et système de communication Download PDF

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Publication number
WO2016161548A1
WO2016161548A1 PCT/CN2015/075971 CN2015075971W WO2016161548A1 WO 2016161548 A1 WO2016161548 A1 WO 2016161548A1 CN 2015075971 W CN2015075971 W CN 2015075971W WO 2016161548 A1 WO2016161548 A1 WO 2016161548A1
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WO
WIPO (PCT)
Prior art keywords
cell
secondary cell
uplink control
deactivation
control channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/075971
Other languages
English (en)
Chinese (zh)
Inventor
贾美艺
徐海博
周华
吴联海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP20170682.7A priority Critical patent/EP3700276A1/fr
Priority to CN202210496500.3A priority patent/CN114745794A/zh
Priority to KR1020197017527A priority patent/KR102211707B1/ko
Priority to MX2017012571A priority patent/MX375762B/es
Priority to CN201580077518.8A priority patent/CN107432003A/zh
Priority to CA2982800A priority patent/CA2982800A1/fr
Priority to PCT/CN2015/075971 priority patent/WO2016161548A1/fr
Priority to BR112017020060-0A priority patent/BR112017020060A2/pt
Priority to RU2017135651A priority patent/RU2682011C1/ru
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2017550545A priority patent/JP2018511259A/ja
Priority to KR1020177029876A priority patent/KR101993076B1/ko
Priority to EP15888105.2A priority patent/EP3282788B1/fr
Publication of WO2016161548A1 publication Critical patent/WO2016161548A1/fr
Priority to US15/722,692 priority patent/US10313938B2/en
Anticipated expiration legal-status Critical
Priority to US16/373,256 priority patent/US10708832B2/en
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, an apparatus, and a communication system for deactivating a secondary cell.
  • the base station considers the CA capability of the UE, selects an available carrier for the UE, and controls the radio resource (RRC, Radio Resource Control).
  • RRC Radio Resource Control
  • the message configures this cell as a secondary cell (SCell, Secondary Cell) of the UE.
  • the SCell For the purpose of timeliness, if the configured SCell can be used for data transmission immediately, then considering the resource efficiency, when the SCell is not used, the SCell needs to be deleted, and the UE does not use the resource of the SCell to transmit data; when the cell is needed again When transmitting data, the cell needs to be configured as an SCell again through an RRC message.
  • a new state is introduced for the SCell: an active state or a deactivated state.
  • the UE only listens to the SCell in the active state, and performs data transmission only on the SCell in the active state.
  • the base station configures the available SCell for the CAUE, both the base station and the UE default to the SCell being deactivated.
  • the base station places the SCell in an active state through an Activation Media Access Control (MAC) control element (CE, Control Element), otherwise the SCell is placed in a deactivated state by deactivation MAC CE.
  • MAC Activation Media Access Control
  • the deactivation MAC CE that deactivates an SCell may fail to transmit, so the base station considers that the SCell is in the deactivated state, and the UE considers the SCell to be in an active state; the UE may send the UE's autonomous uplink transmission on the SCell.
  • SRS Sounding Reference Signal
  • SRS Sounding Reference Signal
  • the UE in order to unify the understanding between the UE and the base station on the activation state of the secondary cell, the UE is automatically deactivated, that is, a deactivation timer is maintained for each secondary cell.
  • the base station activates an SCell through the activation MAC CE
  • the base station and the UE simultaneously consider that the SCell is activated, and initiate a deactivation timer for the SCell; when the deactivation MAC CE is successfully transmitted or the SCell-related deactivation timer expires, the UE And the base station thinks this SCell is deactivated.
  • a physical downlink control channel (PDCCH, Physical Downlink Control Channel) indicating an uplink grant or a downlink assignment is received on the activated SCell, or if a PDCCH scheduling the SCell is received on another serving cell , including uplink grant and downlink assignment, then the UE restarts the deactivation timer associated with this SCell.
  • PDCCH Physical Downlink Control Channel
  • the base station may deactivate the SCell; even if the UE does not receive the deactivation MAC CE, the base station does not schedule the SCell for a period of time, and does not transmit the PDCCH on the SCell. Then, by deactivating the timer, this SCell can be autonomously activated by the UE.
  • the activation state of the secondary cell of the CA UE can be basically maintained appropriately.
  • the base station and the UE maintain one deactivation timer for each SCell, the values of these timers are the same, and the RRC message is configured by the base station to the UE. If the timer value is default, the infinity value is applied.
  • the carrier aggregation UE only the physical uplink control channel (PUCCH, Physical Uplink Control Channel) is configured on the primary cell (PCell, Primary Cell), and almost all uplink control information in all cells.
  • PUCCH Physical Uplink Control Channel
  • PCell Primary Cell
  • UCI Uplink Control Information
  • the base station may also select one of the SCells for the UE having the UL CA capability for transmitting the PUCCH. In this way, the UCI of the PCell is transmitted on the PCell, and the UCI of the SCell carrying the PUCCH is transmitted on the SCell.
  • the UCI of the other SCell is transmitted by the base station on the PCell or configured on the SCell carrying the PUCCH.
  • the current carrier aggregation there are two serving cells carrying a PUCCH, one of which is a PCell and the other is an SCell carrying a PUCCH.
  • PCell and PUCCH transmission uplink control through the PCell All the normal SCells of the information constitute a primary PUCCH cell packet; the SCell carrying the PUCCH and all the common SCells transmitting the uplink control information through the PUCCH of the SCell constitute a secondary PUCCH cell packet.
  • the primary PUCCH cell packet and the secondary PUCCH cell packet are collectively referred to as a PUCCH cell packet.
  • the base station considers that the SCell (first secondary cell) carrying the PUCCH is in an active state, and the UE considers that the SCell (first secondary cell) is in a deactivated state.
  • the base station schedules this SCell (second secondary cell)
  • this SCell second secondary cell
  • the downlink transmission of the SCell (second secondary cell) needs to use the PUCCH, and the SCell (the first secondary cell) carrying the PUCCH has been processed by the UE according to the deactivated SCell, and the PUCCH cannot be transmitted. .
  • the embodiment of the invention provides a method, a device and a communication system for deactivating a secondary cell. There is a problem in that the user equipment and the base station have an inconsistent understanding of the activation state of the secondary cell due to the user equipment autonomous deactivation mechanism.
  • a method for deactivating a secondary cell is provided, which is applied to a user equipment, where the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH.
  • the first secondary cell and one or more second secondary cells that transmit uplink control information by using the PUCCH form a secondary PUCCH cell group;
  • the deactivation method includes:
  • a deactivation apparatus of a secondary cell is configured, where the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH.
  • the first secondary cell and one or more second secondary small cells transmitting uplink control information by using the PUCCH
  • the area constitutes a secondary PUCCH cell grouping;
  • the deactivation device includes:
  • a restarting unit in a second secondary cell of the secondary PUCCH cell packet, in a case where a deactivation timer is restarted or a channel quality indication report is transmitted, restarting, associated with the first secondary cell carrying the PUCCH Deactivate the timer.
  • a method for deactivating a secondary cell is provided, which is applied to a user equipment, where the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH;
  • the deactivation method includes:
  • a deactivation apparatus of a secondary cell is configured, where the user equipment is configured with a first secondary cell that carries a PUCCH and/or a second secondary that does not carry a PUCCH.
  • the deactivation device includes:
  • a configuration unit configured to not run a deactivation timer for the first secondary cell carrying the PUCCH; or configured to deactivate the value of the deactivation timer of the first secondary cell compared to the second secondary cell The value of the timer is large.
  • a method for deactivating a secondary cell is provided, which is applied to a user equipment, where the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH.
  • the first secondary cell and the one or more second secondary cells that transmit uplink control information by using the PUCCH of the first secondary cell form a secondary PUCCH cell group;
  • the user equipment is further configured with a primary cell carrying a PUCCH, where The primary cell and the one or more second secondary cells that transmit uplink control information by using the PUCCH of the primary cell constitute a primary PUCCH cell packet;
  • the deactivation method includes:
  • a deactivation apparatus of a secondary cell configured in a user setting
  • the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH, where the first secondary cell transmits one or more uplink control information by using a PUCCH of the first secondary cell.
  • the plurality of second secondary cells form a secondary PUCCH cell group;
  • the user equipment is further configured with a primary cell carrying a PUCCH, and the primary cell and one or more second secondary devices that transmit uplink control information by using a PUCCH of the primary cell
  • the cell constitutes a primary PUCCH cell packet;
  • the deactivation device includes:
  • a configuration unit configured with a secondary cell group deactivation timer for the secondary PUCCH cell group
  • the restarting unit restarts the secondary cell group deactivation timer if any of the secondary cells of the secondary PUCCH cell packet meets a timer restart condition.
  • a communication system including:
  • a user equipment where the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, where the first secondary cell transmits one or more uplink control information by using a PUCCH of the first secondary cell
  • the plurality of second secondary cells form a secondary PUCCH cell group;
  • the user equipment is further configured with a primary cell carrying a PUCCH, and the primary cell and one or more second secondary devices that transmit uplink control information by using a PUCCH of the primary cell
  • the cell constitutes a primary PUCCH cell packet;
  • the user equipment is restarted in the second secondary cell of the secondary PUCCH cell group, where the deactivation timer is restarted or the channel quality indicator report is transmitted, and the restart is associated with the first secondary cell carrying the PUCCH.
  • Deactivation timer
  • the first secondary cell carrying the PUCCH configured to not run a deactivation timer; or configured to set a value of a deactivation timer of the first secondary cell to a deactivation timing of the second secondary cell
  • the value of the device is large;
  • a computer readable program wherein when the program is executed in a user equipment, the program causes a computer to perform a secondary cell as described above in the user equipment Activation method.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform deactivation of a secondary cell as described above in a user equipment method.
  • the beneficial effects of the embodiments of the present invention are: introducing a trigger mechanism for restarting a new deactivation timer for a secondary cell carrying a PUCCH, or not configuring a user equipment autonomous deactivation mechanism for a secondary cell carrying a PUCCH, or introducing a secondary PUCCH cell grouping for a secondary cell carrying a PUCCH A new deactivation timer mechanism; thus, there is no inconsistency in understanding of the activation state of the secondary cell by the user equipment and the base station due to the autonomous activation mechanism of the user equipment.
  • FIG. 1 is a diagram showing an example of a scene of an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a deactivation method according to Embodiment 1 of the present invention.
  • Figure 3 is a schematic diagram of a deactivation device of Embodiment 2 of the present invention.
  • FIG. 4 is a schematic diagram of a deactivation method according to Embodiment 3 of the present invention.
  • Figure 5 is a schematic diagram of a deactivation device of Embodiment 4 of the present invention.
  • FIG. 6 is a schematic diagram of a deactivation method according to Embodiment 5 of the present invention.
  • Figure 7 is a schematic diagram of a deactivation device of Embodiment 6 of the present invention.
  • FIG. 8 is a schematic diagram of a user equipment according to Embodiment 7 of the present invention.
  • Figure 9 is a schematic diagram of a communication system in accordance with an eighth embodiment of the present invention.
  • FIG. 1 is a diagram showing an example of a scene of an embodiment of the present invention.
  • TTI Transmission Time Interval
  • the base station schedules SCell 1 or cross-carriers to schedule other SCells by transmitting a PDCCH on SCell 1.
  • the PDCCH transmission fails, and the UE does not receive the PDCCH.
  • the base station restarts the deactivation timer associated with SCell 1, and the UE does not restart this timer.
  • the base station considers that both SCell 1 and SCell 2 are in an active state, and their deactivation timers are all running; while the UE considers that SCell 1 has been deactivated, T1 times out; while SCell 2 is in an active state, and T2 is still running. .
  • the base station may schedule SCell 1/2 to transmit downlink data.
  • the base station fails to self-schedule SCell 1 through SCell 1, because the UE considers that SCell 1 is deactivated and does not listen to SCell 1.
  • the base station can send the downlink allocation through the PDCCH of the SCell 2, and schedule the SCell 2 to perform downlink transmission, but it cannot work normally, because the feedback of the downlink data transmitted on the SCell needs to be sent on the PUCCH on the SCell 1, and the common cognition is The activated SCell cannot transmit uplink control information.
  • the base station fails to schedule SCell 2 through SCell 1 cross-carrier scheduling, because the UE does not listen to SCell 1 that it believes to have been deactivated at this time; or the base station fails to schedule SCell 1 through SCell 2 cross-carrier scheduling because the UE at this time SCell 1 is considered to be deactivated.
  • An embodiment of the present invention provides a method for deactivating a secondary cell, which is applied to a user equipment, where the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, where the first secondary cell is One or more second secondary cells transmitting uplink control information through the PUCCG form a secondary PUCCH cell packet.
  • FIG. 2 is a schematic diagram of a deactivation method according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • Step 201 The user equipment determines, in any second secondary cell of the secondary PUCCH cell group, that the deactivation timer is restarted or the channel quality indicator report is transmitted.
  • Step 202 The user equipment restarts a deactivation timer associated with the first secondary cell carrying the PUCCH.
  • a trigger mechanism for restarting a new deactivation timer may be introduced for the SCell (first secondary cell) carrying the PUCCH.
  • the user equipment restarts the deactivation timing associated with the first secondary cell carrying the PUCCH if the deactivation timer of any second secondary cell of the secondary PUCCH cell packet is restarted.
  • the user equipment may determine that the PDCCH indicating the uplink grant or the downlink assignment is received on the any second secondary cell, or the indication uplink grant or the indication that the second secondary cell is scheduled to be sent on the other serving cell Downlink allocated PDCCH. In these cases, the deactivation timer of any of the second secondary cells is restarted; and the deactivation timer associated with the first secondary cell carrying the PUCCH is restarted.
  • the user equipment restarts the first with the carrying PUCCH if a channel quality indicator (CQI) report is transmitted in any second secondary cell of the secondary PUCCH cell packet.
  • CQI channel quality indicator
  • the user equipment may determine that the PDCCH indicating the uplink grant or the downlink assignment is received on the any second secondary cell, or the indication uplink grant or the indication that the second secondary cell is scheduled to be sent on the other serving cell Whether the downlink allocated PDCCH, or any of the second secondary cells, transmits a CQI report. In these cases, the deactivation timer associated with the first secondary cell carrying the PUCCH is restarted.
  • a trigger mechanism for restarting a new deactivation timer is introduced for the secondary cell that carries the PUCCH. Therefore, the activation state of the secondary cell by the user equipment and the base station due to the autonomous activation mechanism of the user equipment does not occur. Understand the inconsistency.
  • the embodiment of the present invention provides a deactivation device for a secondary cell, which is configured in a user equipment.
  • the embodiment of the present invention corresponds to the deactivation method of the first embodiment, and the same content is not described herein again.
  • the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, where the first secondary cell and one or more uplink control information are transmitted by using the PUCCH.
  • the second secondary cell forms a secondary PUCCH cell packet.
  • FIG. 3 is a schematic diagram of a deactivation apparatus according to an embodiment of the present invention. As shown in FIG. 3, the deactivation apparatus 300 includes:
  • the restarting unit 301 in the second secondary cell of the secondary PUCCH cell group, restarting, if the deactivation timer is restarted or the CQI report is transmitted, restarting the association with the first secondary cell carrying the PUCCH Activate the timer.
  • the deactivation apparatus 300 may further include:
  • the determining unit 302 is configured to determine whether the PDCCH indicating the uplink grant or the downlink assignment is received on the any second secondary cell, or the indication of the uplink grant or the downlink of the scheduling of the any second secondary cell is received on the other serving cell.
  • the assigned PDCCH is configured to determine whether the PDCCH indicating the uplink grant or the downlink assignment is received on the any second secondary cell, or the indication of the uplink grant or the downlink of the scheduling of the any second secondary cell is received on the other serving cell.
  • the determining unit 302 determines that the PDCCH indicating the uplink grant or the downlink grant is received on the any second secondary cell, or receives an indication to schedule the any second secondary cell on the other serving cell.
  • Uplink grant or downlink allocated PDCCH; restart unit 301 restarts the deactivation timer of any of the second secondary cells, and restarts the deactivation timer associated with the first secondary cell carrying the PUCCH.
  • the determining unit 302 determines that a PDCCH indicating an uplink grant or a downlink assignment is received on the any second secondary cell, or receives scheduling of the any second secondary cell on another serving cell.
  • the PDCCH indicating the uplink grant or the downlink assignment, or the any second secondary cell transmits the CQI report; the restart unit 301 restarts the deactivation timer associated with the first secondary cell carrying the PUCCH.
  • a trigger for restarting a new deactivation timer is introduced for a secondary cell carrying a PUCCH.
  • Mechanism thus, there is no inconsistency in understanding of the activation state of the secondary cell by the user equipment and the base station due to the autonomous activation mechanism of the user equipment.
  • the embodiment of the present invention provides a method for deactivating a secondary cell, which is applied to a user equipment, where the user equipment is configured with a first secondary cell carrying a PUCCH and a second secondary cell not carrying a PUCCH.
  • FIG. 4 is a schematic diagram of a deactivation method according to an embodiment of the present invention. As shown in FIG. 4, the method includes:
  • Step 401 The user equipment is configured to not run a deactivation timer for the first secondary cell that carries the PUCCH, or configure a value of the deactivation timer of the first secondary cell to be smaller than that of the second secondary cell.
  • the value of the deactivation timer is large.
  • the UE autonomous deactivation mechanism may not be set.
  • the user equipment does not run a deactivation timer for the first secondary cell that carries the PUCCH, and starts the deactivation timer for the second secondary cell that does not carry the PUCCH.
  • the user equipment configures a value of a deactivation timer of the first secondary cell to be larger than a value of a deactivation timer of the second secondary cell.
  • the value of the deactivation timer of the first secondary cell may be configured to be much larger than the value of the deactivation timer of the second secondary cell, for example, infinity.
  • deactivation timer values may be introduced for different SCells, where the deactivation timer of the SCell carrying the PUCCH is set to, for example, infinity; and the values of other ordinary SCells that do not carry the PUCCH may be set in order to reuse the current mechanism as much as possible. For the same value. In this way, the timer value configured by the base station is only applicable to the ordinary SCell that does not carry the PUCCH.
  • the deactivation timer is started: if the SCell is the SCell carrying the PUCCH, the default value is used to be infinite; otherwise, the SCell is a normal SCell that does not carry the PUCCH, then the timer configured by the base station is used according to the current mechanism. Value, if the base station is not configured, the default infinity is used.
  • the present invention is not limited to setting the value of the deactivation timer of the first secondary cell to infinity, for example, setting the value of the deactivation timer of the second secondary cell to be much larger.
  • the value of the deactivation timer of the first secondary cell may be set to the maximum value that the timer can have, etc., and the specific value may be determined according to actual conditions.
  • the SCell carrying the PUCCH can only be deactivated by deactivating the MAC CE.
  • the above technical problem does not exist: "The base station considers that the SCell is in an active state, but the UE considers that the SCell is in the go. Activation status”.
  • the user equipment autonomous cell is not configured with the autonomous cell deactivation mechanism of the secondary cell that carries the PUCCH. Therefore, the user device and the base station do not understand the activation state of the secondary cell due to the autonomous activation mechanism of the user equipment. happensing.
  • the embodiment of the present invention provides a deactivation apparatus of a secondary cell, which is configured in a user equipment.
  • the embodiment of the present invention corresponds to the deactivation method of the third embodiment, and the same content is not described herein.
  • the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH.
  • FIG. 5 is a schematic diagram of a deactivation apparatus according to an embodiment of the present invention. As shown in FIG. 5, the deactivation apparatus 500 includes:
  • the configuration unit 501 is configured to not run the deactivation timer for the first secondary cell that carries the PUCCH, or configure the value of the deactivation timer of the first secondary cell to be smaller than that of the second secondary cell.
  • the value of the activation timer is large.
  • the configuration unit 501 is configured to not run a deactivation timer for the first secondary cell that carries the PUCCH, and is configured to run a deactivation timer for the second secondary cell that does not carry the PUCCH.
  • the configuration unit 501 configures a value of a deactivation timer of the first secondary cell to be larger than a value of a deactivation timer of the second secondary cell. Specifically, the configuration unit 501 can configure the value of the deactivation timer of the first secondary cell to be infinite.
  • the SCell carrying the PUCCH can only be deactivated by deactivating the MAC CE.
  • the user equipment autonomous cell is not configured with the autonomous cell deactivation mechanism of the secondary cell that carries the PUCCH. Therefore, the user device and the base station do not understand the activation state of the secondary cell due to the autonomous activation mechanism of the user equipment. happensing.
  • An embodiment of the present invention provides a method for deactivating a secondary cell, which is applied to a user equipment, where the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, where the first secondary cell And one or more second secondary cells that transmit uplink control information by using a PUCCH of the first secondary cell to form a secondary PUCCH cell packet;
  • the user equipment is further configured with a primary cell carrying a PUCCH, and the primary cell and the one or more second secondary cells that transmit uplink control information by using a PUCCH of the primary cell form a primary PUCCH cell group.
  • FIG. 6 is a schematic diagram of a deactivation method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • Step 601 The user equipment configures a secondary cell group deactivation timer for the secondary PUCCH cell group.
  • Step 602 The user equipment restarts the secondary cell group deactivation timer if any of the secondary cells of the secondary PUCCH cell packet meets a timer restart condition.
  • a deactivation timer mechanism based on PUCCH cell grouping is introduced.
  • the user equipment may further configure a primary cell group deactivation timer for the primary PUCCH cell group; and restart if any one of the primary PUCCH cell packets meets a timer restart condition.
  • the primary cell group deactivates a timer.
  • deactivation timers are maintained for each UE, and one deactivation timer is configured for each PUCCH cell packet.
  • this deactivation timer is only applicable to the secondary cell and not to the primary cell.
  • the deactivation timer of this group is restarted as long as any cell in the packet satisfies the timer restart condition.
  • the PDCCH indicating the uplink grant or the downlink assignment is received on any one of the primary PUCCH cell packets, or the PDCCH indicating the uplink grant or the downlink assignment of the scheduled secondary cell is received on the other serving cell; Then restart the primary cell group to activate the timer.
  • two deactivation timers can be restarted simultaneously.
  • the values of the two deactivation timers here can be configured by the base station, and the two values can be the same.
  • the deactivation timer based on the secondary PUCCH cell packet is maintained only for the secondary PUCCH cell packet.
  • the SCell based deactivation timer is still maintained based on the current mechanism.
  • the uplink authorization is received on any one of the secondary PUCCH cell packets Or the downlink-assigned PDCCH, or the PDCCH indicating the uplink grant or the downlink assignment of the scheduled secondary cell, is received on the other serving cell; and the secondary cell group deactivation timer is restarted.
  • the deactivation timer of any one of the secondary cells is restarted.
  • the values of the plurality of deactivation timers herein may be configured by the base station, and the values may be the same.
  • the embodiment of the present invention provides a deactivation apparatus of a secondary cell, which is configured in a user equipment, and the embodiment of the present invention corresponds to the deactivation method of the embodiment 5, and the same content is not described herein again.
  • the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, and the first secondary cell transmits uplink control information by using a PUCCH of the first secondary cell.
  • One or more second secondary cells form a secondary PUCCH cell group; the user equipment is further configured with a primary cell carrying a PUCCH, and the primary cell and one or more uplink control information are transmitted by using a PUCCH of the primary cell
  • the second secondary cell constitutes a primary PUCCH cell packet.
  • FIG. 7 is a schematic diagram of a deactivation apparatus according to an embodiment of the present invention. As shown in FIG. 7, the deactivation apparatus 700 includes:
  • the configuring unit 701 is configured to configure a secondary cell group deactivation timer for the secondary PUCCH cell group
  • the restarting unit 702 restarts the secondary cell group deactivation timer if any of the secondary cells of the secondary PUCCH cell packet meets a timer restart condition.
  • the deactivation apparatus 700 may further include:
  • the determining unit 703 determines whether a PDCCH indicating an uplink grant or a downlink assignment is received on any of the secondary cells of the secondary PUCCH cell group, or receives an indication of uplink grant or the other serving cell to schedule the uplink grant or Downlink allocated PDCCH.
  • the restarting unit 702 is further configured to: receive a PDCCH indicating an uplink grant or a downlink assignment on a secondary cell of the secondary PUCCH cell group, or receive an indication of scheduling the scheduling of the any secondary cell on another serving cell. In the case of granting or downlink-assigned PDCCH, the secondary cell group deactivation timer is restarted.
  • the configuration unit 701 is further configured to: configure a primary cell group deactivation timer for the primary PUCCH cell group.
  • the deactivation device 700 can also include:
  • the determining unit 703 determines whether a PDCCH indicating an uplink grant or a downlink assignment is received on any of the secondary cells of the secondary PUCCH cell group, or receives an indication of uplink grant or the other serving cell to schedule the uplink grant or a downlink allocated PDCCH; and determining whether a PDCCH indicating an uplink grant or a downlink assignment is received on any one of the primary PUCCH cell packets, or receiving an indication of scheduling the any secondary cell on another serving cell Authorized or downlink allocated PDCCH.
  • the restarting unit 702 is further configured to: receive a PDCCH indicating an uplink grant or a downlink assignment on any one of the secondary PUCCH cell packets, or receive an indication to schedule the any secondary cell on another serving cell In the case of an uplink grant or a downlink allocated PDCCH, restarting the secondary cell group deactivation timer; and receiving, on any one of the primary PUCCH cell packets, a PDCCH indicating uplink grant or downlink assignment, or other When the serving cell receives the PDCCH indicating the uplink grant or the downlink assignment of any of the secondary cells, the primary cell group deactivation timer is restarted.
  • the embodiment of the invention provides a user equipment, which is configured with the deactivation device 300, 500 or 700 of the secondary cell as described above.
  • the user equipment is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, and the first secondary cell transmits uplink control information by using a PUCCH of the first secondary cell.
  • One or more second secondary cells form a secondary PUCCH cell group; the user equipment is further configured with a primary cell carrying a PUCCH, and the primary cell and one or more uplink control information are transmitted by using a PUCCH of the primary cell
  • the second secondary cell constitutes a primary PUCCH cell packet.
  • FIG. 8 is a schematic diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment 800 can A central processing unit 100 and a memory 140 are included; the memory 140 is coupled to the central processing unit 100.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the functionality of the deactivation device 300, 500 or 700 can be integrated into the central processor 100.
  • the central processing unit 100 may be configured to perform control to restart and carry the case when the deactivation timer is restarted or the CQI report is transmitted in any second secondary cell of the secondary PUCCH cell packet.
  • the first secondary cell carrying the PUCCH configured to not run a deactivation timer; or configured to set a value of a deactivation timer of the first secondary cell to a deactivation timing of the second secondary cell
  • the value of the device is large;
  • the deactivation device 300, 500 or 700 can be configured separately from the central processing unit 100, for example, the deactivation device 300, 500 or 700 can be configured as a chip connected to the central processing unit 100 through a central processing unit. Control to implement the functionality of the deactivation device 300, 500 or 700.
  • the user equipment 800 may further include: a communication module 110, an input unit 120, an audio processing unit 130, a memory 140, a camera 150, a display 160, and a power source 170.
  • the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the user equipment 800 does not have to include all the components shown in FIG. 8. The above components are not required; in addition, the user equipment 800 may further include components not shown in FIG. There are technologies.
  • the triggering mechanism for the new deactivation timer to be restarted is introduced to the secondary cell carrying the PUCCH, or the user equipment autonomous deactivation mechanism is not configured for the secondary cell carrying the PUCCH, or a new one is introduced for the secondary PUCCH cell grouping.
  • the timer mechanism is activated; thus, the situation that the user equipment and the base station do not understand the activation state of the secondary cell due to the autonomous activation mechanism of the user equipment does not occur.
  • FIG. 9 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • the communication system 900 includes: a base station 901 and user equipment 902;
  • the user equipment 902 is configured with a first secondary cell that carries a PUCCH and a second secondary cell that does not carry a PUCCH, where the first secondary cell transmits one or more uplink control information by using a PUCCH of the first secondary cell.
  • the plurality of second secondary cells form a secondary PUCCH cell packet; the user equipment 902 is further configured with a primary cell carrying a PUCCH, and the primary cell and one or more seconds that transmit uplink control information by using a PUCCH of the primary cell
  • the secondary cell constitutes a primary PUCCH cell packet.
  • the user equipment 902 restarts the association with the first secondary cell carrying the PUCCH. Deactivate the timer;
  • the first secondary cell carrying the PUCCH configured to not run a deactivation timer; or configured to set a value of a deactivation timer of the first secondary cell to a deactivation timing of the second secondary cell
  • the value of the device is large;
  • An embodiment of the present invention provides a computer readable program, wherein when the program is executed in a user equipment, the program causes a computer to execute a secondary cell as described in Embodiment 1, 3 or 5 in the user equipment Deactivate the method.
  • An embodiment of the present invention provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform a deactivation method of a secondary cell as described in Embodiment 1, 3 or 5 in a user equipment.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described in the figures and/or one or more combinations of the functional blocks may also be implemented as a combination of computing devices. For example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil permettant de désactiver une cellule secondaire, et un système de communication. Selon le procédé de désactivation, si un temporisateur de désactivation est redémarré ou si un rapport d'indication de qualité de canal est transmis dans l'une quelconque des secondes cellules secondaires d'un groupe de cellules PUCCH secondaire, un temporisateur de désactivation associé à une première cellule secondaire qui porte un canal PUCCH est redémarré. Il n'est ainsi pas possible que se produise une situation dans laquelle un équipement utilisateur et une station de base ont une compréhension incohérente d'un état activé d'une cellule secondaire, qui est provoquée par un mécanisme de désactivation autonome de l'équipement.
PCT/CN2015/075971 2015-04-07 2015-04-07 Procédé et appareil permettant de désactiver une cellule secondaire, et système de communication Ceased WO2016161548A1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
RU2017135651A RU2682011C1 (ru) 2015-04-07 2015-04-07 Устройство и способ деактивации для вторичной соты и система связи
KR1020197017527A KR102211707B1 (ko) 2015-04-07 2015-04-07 보조 셀을 비활성화하기 위한 방법 및 장치, 및 통신 시스템
MX2017012571A MX375762B (es) 2015-04-07 2015-04-07 Método y aparato de desactivación para una célula secundaria y sistema de comunicaciones.
CN201580077518.8A CN107432003A (zh) 2015-04-07 2015-04-07 辅小区的去激活方法、装置以及通信系统
CA2982800A CA2982800A1 (fr) 2015-04-07 2015-04-07 Procede et appareil permettant de desactiver une cellule secondaire, et systeme de communication
PCT/CN2015/075971 WO2016161548A1 (fr) 2015-04-07 2015-04-07 Procédé et appareil permettant de désactiver une cellule secondaire, et système de communication
BR112017020060-0A BR112017020060A2 (pt) 2015-04-07 2015-04-07 processo e aparelho para desativação de célula secundária, e sistema de comunicações
EP20170682.7A EP3700276A1 (fr) 2015-04-07 2015-04-07 Procédé et appareil de désactivation pour une cellule secondaire et système de communication
JP2017550545A JP2018511259A (ja) 2015-04-07 2015-04-07 セカンダリセルのディアクティベーション方法、装置及び通信システム
CN202210496500.3A CN114745794A (zh) 2015-04-07 2015-04-07 辅小区的去激活方法、装置以及通信系统
KR1020177029876A KR101993076B1 (ko) 2015-04-07 2015-04-07 보조 셀을 비활성화하기 위한 방법 및 장치, 및 통신 시스템
EP15888105.2A EP3282788B1 (fr) 2015-04-07 2015-04-07 Appareil permettant de désactiver une cellule secondaire
US15/722,692 US10313938B2 (en) 2015-04-07 2017-10-02 Deactivation method and apparatus for a secondary cell and communications system
US16/373,256 US10708832B2 (en) 2015-04-07 2019-04-02 Deactivation method and apparatus for a secondary cell and communications system

Applications Claiming Priority (1)

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PCT/CN2015/075971 WO2016161548A1 (fr) 2015-04-07 2015-04-07 Procédé et appareil permettant de désactiver une cellule secondaire, et système de communication

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US15/722,692 Continuation US10313938B2 (en) 2015-04-07 2017-10-02 Deactivation method and apparatus for a secondary cell and communications system

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US (2) US10313938B2 (fr)
EP (2) EP3282788B1 (fr)
JP (1) JP2018511259A (fr)
KR (2) KR101993076B1 (fr)
CN (2) CN114745794A (fr)
BR (1) BR112017020060A2 (fr)
CA (1) CA2982800A1 (fr)
MX (1) MX375762B (fr)
RU (1) RU2682011C1 (fr)
WO (1) WO2016161548A1 (fr)

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KR20170129837A (ko) 2017-11-27
CA2982800A1 (fr) 2016-10-13
KR102211707B1 (ko) 2021-02-04
EP3282788B1 (fr) 2020-06-24
EP3700276A1 (fr) 2020-08-26
MX2017012571A (es) 2018-01-25
US20190230563A1 (en) 2019-07-25
KR101993076B1 (ko) 2019-06-25
RU2682011C1 (ru) 2019-03-14
MX375762B (es) 2025-03-06
JP2018511259A (ja) 2018-04-19
US10313938B2 (en) 2019-06-04
CN114745794A (zh) 2022-07-12
KR20190073601A (ko) 2019-06-26
CN107432003A (zh) 2017-12-01
US10708832B2 (en) 2020-07-07
EP3282788A4 (fr) 2018-11-14
BR112017020060A2 (pt) 2018-06-05
EP3282788A1 (fr) 2018-02-14
US20180027461A1 (en) 2018-01-25

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